static int edac_create_debug_nodes(struct mem_ctl_info *mci)
{
struct dentry *d, *parent;
char name[80];
int i;
if (!edac_debugfs)
return -ENODEV;
d = debugfs_create_dir(mci->dev.kobj.name, edac_debugfs);
if (!d)
return -ENOMEM;
parent = d;
for (i = 0; i < mci->n_layers; i++) {
sprintf(name, "fake_inject_%s",
edac_layer_name[mci->layers[i].type]);
d = debugfs_create_u8(name, S_IRUGO | S_IWUSR, parent,
&mci->fake_inject_layer[i]);
if (!d)
goto nomem;
}
d = debugfs_create_bool("fake_inject_ue", S_IRUGO | S_IWUSR, parent,
&mci->fake_inject_ue);
if (!d)
goto nomem;
d = debugfs_create_u16("fake_inject_count", S_IRUGO | S_IWUSR, parent,
&mci->fake_inject_count);
if (!d)
goto nomem;
d = debugfs_create_file("fake_inject", S_IWUSR, parent,
&mci->dev,
&debug_fake_inject_fops);
if (!d)
goto nomem;
mci->debugfs = parent;
return 0;
nomem:
debugfs_remove(mci->debugfs);
return -ENOMEM;
}
struct dentry *esp_dump_var(const char *name, struct dentry *parent, void *value, esp_type type) {
struct dentry *rc = NULL;
umode_t mode = 0644;
if(!esp_debugfs_root)
return NULL;
if(!parent)
parent = esp_debugfs_root;
switch(type) {
case ESP_U8:
rc = debugfs_create_u8(name, mode, parent, (u8*)value);
break;
case ESP_U16:
rc = debugfs_create_u16(name, mode, parent, (u16*)value);
break;
case ESP_U32:
rc = debugfs_create_u32(name, mode, parent, (u32*)value);
break;
case ESP_U64:
rc = debugfs_create_u64(name, mode, parent, (u64*)value);
break;
case ESP_BOOL:
rc = debugfs_create_bool(name, mode, parent, (u32*)value);
break;
default: //32
rc = debugfs_create_u32(name, mode, parent, (u32*)value);
}
if (!rc)
goto Fail;
else
return rc;
Fail:
debugfs_remove_recursive(esp_debugfs_root);
esp_debugfs_root = NULL;
esp_dbg(ESP_DBG_ERROR, "%s failed, debugfs root removed; var name: %s\n", __FUNCTION__, name);
return NULL;
}
/*
* ext4_snapshot_create_debugfs_entry - register ext4 debug hooks
* Void function doesn't return error if debug hooks are not registered.
*/
void ext4_snapshot_create_debugfs_entry(void)
{
int i;
ext4_debugfs_dir = debugfs_create_dir("ext4", NULL);
if (!ext4_debugfs_dir)
return;
snapshot_debug = debugfs_create_u8("snapshot-debug", S_IRUGO|S_IWUSR,
ext4_debugfs_dir,
&snapshot_enable_debug);
snapshot_version = debugfs_create_blob("snapshot-version", S_IRUGO,
ext4_debugfs_dir,
&snapshot_version_blob);
for (i = 0; i < SNAPSHOT_TESTS_NUM && i < SNAPSHOT_TEST_NAMES; i++)
snapshot_test[i] = debugfs_create_u16(snapshot_test_names[i],
S_IRUGO|S_IWUSR,
ext4_debugfs_dir,
&snapshot_enable_test[i]);
#ifdef CONFIG_EXT4_FS_SNAPSHOT_JOURNAL_CACHE
cow_cache = debugfs_create_u8("cow-cache", S_IRUGO,
ext4_debugfs_dir,
&cow_cache_offset);
#endif
}
static int dp_debugfs_init(struct data_path *dp)
{
char buf[256];
char path[256];
dp->dentry = debugfs_create_dir(dp->name ? dp->name : "dp",
dp_debugfs_root_dir);
if (!dp->dentry)
return -ENOMEM;
snprintf(path, sizeof(path), "../../../%s",
dentry_path_raw(dp->rbctl->rbdir, buf, sizeof(buf)));
if (IS_ERR_OR_NULL(debugfs_create_symlink(
"shm", dp->dentry, path)))
goto error;
if (IS_ERR_OR_NULL(debugfs_create_file(
"tx_q", S_IRUGO, dp->dentry,
dp, &fops_tx_q)))
goto error;
if (IS_ERR_OR_NULL(debugfs_create_file(
"stat", S_IRUGO, dp->dentry,
dp, &fops_stat)))
goto error;
if (IS_ERR_OR_NULL(debugfs_create_file(
"wm", S_IRUGO | S_IWUSR, dp->dentry,
dp, &fops_wm)))
goto error;
if (IS_ERR_OR_NULL(debugfs_create_bool(
"enable_piggyback", S_IRUGO | S_IWUSR,
dp->dentry, &dp->enable_piggyback)))
goto error;
if (IS_ERR_OR_NULL(debugfs_create_bool(
"is_tx_stopped", S_IRUGO | S_IWUSR,
dp->dentry, &dp->is_tx_stopped)))
goto error;
if (IS_ERR_OR_NULL(debugfs_create_u32(
"tx_q_max_len", S_IRUGO | S_IWUSR,
dp->dentry, &dp->tx_q_max_len)))
goto error;
if (IS_ERR_OR_NULL(debugfs_create_u16(
"max_tx_shots", S_IRUGO | S_IWUSR,
dp->dentry, &dp->max_tx_shots)))
goto error;
if (IS_ERR_OR_NULL(debugfs_create_u16(
"max_rx_shots", S_IRUGO | S_IWUSR,
dp->dentry, &dp->max_rx_shots)))
goto error;
if (IS_ERR_OR_NULL(debugfs_create_u16(
"tx_sched_delay_in_ms", S_IRUGO | S_IWUSR,
dp->dentry, &dp->tx_sched_delay_in_ms)))
goto error;
if (IS_ERR_OR_NULL(debugfs_create_u16(
"tx_q_min_sched_len", S_IRUGO | S_IWUSR,
dp->dentry, &dp->tx_q_min_sched_len)))
goto error;
return 0;
error:
debugfs_remove_recursive(dp->dentry);
dp->dentry = NULL;
return -1;
}
